Suzuki GSF650S User Manual

7-36 SERVICING INFORMATION
SERVICE DATA
VALVE + GUIDE
Unit: mm
CAMSHAFT + CYLINDER HEAD
Unit: mm
ITEM STANDARD LIMIT
Valve diameter IN. 23 —
EX. 20 —
Valve clearance (when cold) IN. 0.10 – 0.15 —
EX. 0.18 – 0.23 —
Valve-guide to valve-stem
clearance
IN. 0.020 – 0.047 —
EX. 0.040 – 0.067 —
Valve stem deflection IN. & EX. — 0.35
Valve guide I.D. IN. & EX. 5.000 – 5.012 —
Valve stem O.D. IN. 4.965 – 4.980 —
EX. 4.945 – 4.960 —
Valve stem runout IN. & EX. — 0.05
Valve face thickness IN. & EX. — 0.5
Valve stem end length IN. & EX. — 2.5
Valve seat width IN. & EX. 0.9 – 1.1 —
Valve head radial runout IN. & EX. — 0.03
Valve spring free length
(IN. & EX.)
INNER — 35.0
OUTER — 38.4
Valve spring tension
(IN. & EX.)
INNER
5.6 – 6.6 kgf
at length 28 mm
—
OUTER
12.8 – 15.0 kgf
at length 31.5 mm
—
ITEM STANDARD LIMIT
Cam height IN. 32.60 – 32.64 32.30
EX. 32.65 – 32.69 32.35
Camshaft journal oil clearance IN. & EX. 0.032 – 0.066 0.150
Camshaft journal holder I.D. IN. & EX. 22.012 – 22.025 —
Camshaft journal O.D. IN. & EX. 21.959 – 21.980 —
Camshaft runout IN. & EX. — 0.10
Cam chain pin (at arrow “3”) 24th pin —
Rocker arm I.D. IN. & EX. 12.000 – 12.018 —
Rocker arm shaft O.D. IN. & EX. 11.973 – 11.984 —
Cylinder head distortion — 0.20

Suzuki GSF650S Specifications

General

Brand	Suzuki
Model	GSF650S
Category	Motorcycle
Language	English